This book starts with a detailed account on network models, thus providing the user with an ideal introduction on data transmission. The protocols and standards, as well as the physical structures of the networks are also discussed extensively here. The Data Communications And Networking follows a descriptive pattern, thus engaging users of all kind.A number of diagrams and tabular representations are also included in the book, thus making it more useful for the reader. The much discussed OSI model is also explained extensively with special emphasis on its layered architecture. Further, there...